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cpython-source-deps/patches/fix_maxopt
2011-02-15 15:19:49 -05:00

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Index: libffi/ChangeLog
===================================================================
--- libffi.orig/ChangeLog
+++ libffi/ChangeLog
@@ -1,3 +1,8 @@
+2011-02-15 Anthony Green <green@moxielogic.com>
+
+ * m4/ax_cc_maxopt.m4: Don't -malign-double or use -ffast-math.
+ * configure: Rebuilt.
+
2011-02-13 Anthony Green <green@moxielogic.com>
* include/ffi_common.h (UNLIKELY, LIKELY): Define.
Index: libffi/configure
===================================================================
--- libffi.orig/configure
+++ libffi/configure
@@ -12240,45 +12240,6 @@ $as_echo "$icc_archflag" >&6; }
# default optimization flags for gcc on all systems
CFLAGS="-O3 -fomit-frame-pointer"
- # -malign-double for x86 systems
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -malign-double" >&5
-$as_echo_n "checking whether C compiler accepts -malign-double... " >&6; }
-if ${ax_cv_c_flags__malign_double+:} false; then :
- $as_echo_n "(cached) " >&6
-else
-
- ax_save_FLAGS=$CFLAGS
- CFLAGS="-malign-double"
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- ax_cv_c_flags__malign_double=yes
-else
- ax_cv_c_flags__malign_double=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- CFLAGS=$ax_save_FLAGS
-fi
-
-eval ax_check_compiler_flags=$ax_cv_c_flags__malign_double
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_check_compiler_flags" >&5
-$as_echo "$ax_check_compiler_flags" >&6; }
-if test "x$ax_check_compiler_flags" = xyes; then
- CFLAGS="$CFLAGS -malign-double"
-else
- :
-fi
-
-
# -fstrict-aliasing for gcc-2.95+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -fstrict-aliasing" >&5
$as_echo_n "checking whether C compiler accepts -fstrict-aliasing... " >&6; }
@@ -12318,7 +12279,6 @@ else
fi
- # note that we enable "unsafe" fp optimization with other compilers, too
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -ffast-math" >&5
$as_echo_n "checking whether C compiler accepts -ffast-math... " >&6; }
if ${ax_cv_c_flags__ffast_math+:} false; then :
Index: libffi/m4/ax_cc_maxopt.m4
===================================================================
--- libffi.orig/m4/ax_cc_maxopt.m4
+++ libffi/m4/ax_cc_maxopt.m4
@@ -140,14 +140,10 @@ if test "$ac_test_CFLAGS" != "set"; then
# default optimization flags for gcc on all systems
CFLAGS="-O3 -fomit-frame-pointer"
- # -malign-double for x86 systems
- AX_CHECK_COMPILER_FLAGS(-malign-double, CFLAGS="$CFLAGS -malign-double")
-
# -fstrict-aliasing for gcc-2.95+
AX_CHECK_COMPILER_FLAGS(-fstrict-aliasing,
CFLAGS="$CFLAGS -fstrict-aliasing")
- # note that we enable "unsafe" fp optimization with other compilers, too
AX_CHECK_COMPILER_FLAGS(-ffast-math, CFLAGS="$CFLAGS -ffast-math")
AX_GCC_ARCHFLAG($acx_maxopt_portable)